/Engine/Plugins/Runtime/RigVM/Source/RigVM/Public/RigVMCore/RigVMDispatchFactory.h
Returns the next name to be used for an aggregate pin
virtual [FName](API\Runtime\Core\UObject\FName) GetNextAggregateName ( const [FName](API\Runtime\Core\UObject\FName) & InLastAggregatePinName ) const